WebCAD/__test__/Geometry/arc.test.ts

import { Arc } from '../../src/DatabaseServices/Arc';
import { Vector3, Vector2 } from 'three';
import { app } from '../../src/ApplicationServices/Application';
import { Command } from '../../src/Editor/CommandMachine';
import { PromptStatus } from '../../src/Editor/PromptResult';
import { RenderType } from '../../src/GraphicsSystem/Enum';

test("三点共线", () =>
{
    let pt1 = new Vector3(0, 0, 0);
    let pt2 = new Vector3(0, 1, 0);
    let pt3 = new Vector3(0, 2, 0);

    let arc = new Arc();
    arc.FromThreePoint(pt1, pt2, pt3);

    console.log(arc.Center);
    console.log(arc.StartAngle);
    console.log(arc.EndAngle);
    console.log(arc.Radius);

    expect(arc.Center.toArray()).toMatchObject([0, 0, 0]);
})



test("三点圆心", () =>
{
    let arc = new Arc();
    arc.FromThreePoint(
        new Vector3(0, 0, 0),
        new Vector3(5, 5, 0),
        new Vector3(10, 0, 0)
    )

    console.log(arc.StartAngle);
    console.log(arc.EndAngle);

    expect(arc.Center.toArray()).toMatchObject([5, 0, 0]);
    expect(arc.StartAngle).toMatchSnapshot();
    expect(arc.EndAngle).toMatchSnapshot();
})

test("三点同一位置", () =>
{
    let arc = new Arc();
    arc.FromThreePoint(
        new Vector3(5, 5, 0),
        new Vector3(5, 5, 0),
        new Vector3(5, 5, 0)
    )

    console.log(arc.StartAngle);
    console.log(arc.EndAngle);

    expect(arc.Center.toArray()).toMatchObject([0, 0, 0]);
    expect(arc.StartAngle).toMatchSnapshot();
    expect(arc.EndAngle).toMatchSnapshot();
})